Mercurial > jdk8-mips64-public > jaxws / file revision

 /*

  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 package com.sun.xml.internal.ws.server.provider;

 import com.sun.istack.internal.NotNull;

 import com.sun.istack.internal.Nullable;

 import com.sun.xml.internal.ws.api.message.Packet;

 import com.sun.xml.internal.ws.api.pipe.Fiber;

 import com.sun.xml.internal.ws.api.pipe.NextAction;

 import com.sun.xml.internal.ws.api.pipe.ThrowableContainerPropertySet;

 import com.sun.xml.internal.ws.api.pipe.Tube;

 import com.sun.xml.internal.ws.api.server.AsyncProvider;

 import com.sun.xml.internal.ws.api.server.AsyncProviderCallback;

 import com.sun.xml.internal.ws.api.server.Invoker;

 import com.sun.xml.internal.ws.api.server.WSEndpoint;

 import com.sun.xml.internal.ws.server.AbstractWebServiceContext;

 import java.util.logging.Level;

 import java.util.logging.Logger;

 /**

  * This {@link Tube} is used to invoke the {@link AsyncProvider} endpoints.

  *

  * @author Jitendra Kotamraju

  */

 public // TODO needed by factory

 class AsyncProviderInvokerTube<T> extends ProviderInvokerTube<T> {

     private static final Logger LOGGER = Logger.getLogger(

         com.sun.xml.internal.ws.util.Constants.LoggingDomain + ".server.AsyncProviderInvokerTube");

     public AsyncProviderInvokerTube(Invoker invoker, ProviderArgumentsBuilder<T> argsBuilder) {

         super(invoker, argsBuilder);

     }

    /*

     * This binds the parameter for Provider endpoints and invokes the

     * invoke() method of {@linke Provider} endpoint. The return value from

     * invoke() is used to create a new {@link Message} that traverses

     * through the Pipeline to transport.

     */

     public @NotNull NextAction processRequest(@NotNull Packet request) {

         T param = argsBuilder.getParameter(request);

         NoSuspendResumer resumer = new NoSuspendResumer();

         @SuppressWarnings({ "rawtypes", "unchecked" })

                 AsyncProviderCallbackImpl callback = new AsyncProviderInvokerTube.AsyncProviderCallbackImpl(request, resumer);

         AsyncWebServiceContext ctxt = new AsyncWebServiceContext(getEndpoint(),request);

         AsyncProviderInvokerTube.LOGGER.fine("Invoking AsyncProvider Endpoint");

         try {

             getInvoker(request).invokeAsyncProvider(request, param, callback, ctxt);

         } catch(Throwable e) {

             LOGGER.log(Level.SEVERE, e.getMessage(), e);

             return doThrow(e);

         }

         synchronized(callback) {

                 if (resumer.response != null) {

                 // Only used by AsyncProvider<Packet>

                 // Implementation may pass Packet containing throwable; use both

                     ThrowableContainerPropertySet tc = resumer.response.getSatellite(ThrowableContainerPropertySet.class);

                     Throwable t = (tc != null) ? tc.getThrowable() : null;

                         return t != null ? doThrow(resumer.response, t) : doReturnWith(resumer.response);

                 }

                 // Suspend the Fiber. AsyncProviderCallback will resume the Fiber after

                 // it receives response.

                 callback.resumer = new FiberResumer();

                 return doSuspend();

         }

     }

     private interface Resumer {

         public void onResume(Packet response);

     }

     /*private*/ public class FiberResumer implements Resumer { // TODO public for DISI

         private final Fiber fiber;

         public FiberResumer() {

             this.fiber = Fiber.current();

         }

         public void onResume(Packet response) {

             // Only used by AsyncProvider<Packet>

             // Implementation may pass Packet containing throwable; use both

             ThrowableContainerPropertySet tc = response.getSatellite(ThrowableContainerPropertySet.class);

             Throwable t = (tc != null) ? tc.getThrowable() : null;

                 fiber.resume(t, response);

         }

     }

     private class NoSuspendResumer implements Resumer {

         protected Packet response = null;

                 public void onResume(Packet response) {

                         this.response = response;

                 }

     }

     /*private*/ public class AsyncProviderCallbackImpl implements AsyncProviderCallback<T> { // TODO public for DISI

         private final Packet request;

         private Resumer resumer;

         public AsyncProviderCallbackImpl(Packet request, Resumer resumer) {

             this.request = request;

             this.resumer = resumer;

         }

         public void send(@Nullable T param) {

             if (param == null) {

                 if (request.transportBackChannel != null) {

                     request.transportBackChannel.close();

                 }

             }

             Packet packet = argsBuilder.getResponse(request, param, getEndpoint().getPort(), getEndpoint().getBinding());

             synchronized(this) {

                 resumer.onResume(packet);

             }

         }

         public void sendError(@NotNull Throwable t) {

             Exception e;

             if (t instanceof Exception) {

                 e = (Exception) t;

             } else {

                 e = new RuntimeException(t);

             }

             Packet packet = argsBuilder.getResponse(request, e, getEndpoint().getPort(), getEndpoint().getBinding());

             synchronized(this) {

                 resumer.onResume(packet);

             }

         }

     }

     /**

      * The single {@link javax.xml.ws.WebServiceContext} instance injected into application.

      */

     /*private static final*/ public class AsyncWebServiceContext extends AbstractWebServiceContext { // TODO public for DISI

         final Packet packet;

         public AsyncWebServiceContext(WSEndpoint endpoint, Packet packet) { // TODO public for DISI

             super(endpoint);

             this.packet = packet;

         }

         public @NotNull Packet getRequestPacket() {

             return packet;

         }

     }

     public @NotNull NextAction processResponse(@NotNull Packet response) {

         return doReturnWith(response);

     }

     public @NotNull NextAction processException(@NotNull Throwable t) {

         return doThrow(t);

     }

 }